Microprocessor - Dec 2015

Computer Engineering (Semester 5)

TOTAL MARKS: 80
TOTAL TIME: 3 HOURS (1) Question 1 is compulsory.
(2) Attempt any three from the remaining questions.
(3) Assume data if required.
(4) Figures to the right indicate full marks. 1 (a) Write short note on 8288 Bus Controller.(5 marks) 1 (b) Explain the following instructions in 8086: LAHF and STOSB.(5 marks) 1 (c) Design interfacing of 8282 latches to 8086 system.(5 marks) 1 (d) Explain in brief Protection Mechanism in 80386DX Processor.(5 marks) 2 (a) Explain Memory Management in details in 80386DX processor.(10 marks) 2 (b) Design 8086 based system with following specifications
i) 8086 in minimum mode working at 8MHZ
ii) 32KB EPROM using 16KB devices.
iii) 64KB SRAM using 32KB devices.(10 marks) 3 (a) Explain with block diagram working of 8255 PPI.(10 marks) 3 (b) What is segmentation? What are the advantages of segmentation?(5 marks) 3 (c) Differentiate between minimum mode and maximum mode in 8086.(5 marks) 4 (a) Explain branch prediction logic used in Pentium.(10 marks) 4 (b) Compare Pentium 2, Pentium 3 and Pentium 4 processors.(10 marks) 5 (a) Explain different data transfer modes of S237 DMA controller.(10 marks) 5 (b) Explain the architecture of Super SPARC processor with a neat diagram.(10 marks) 6 (a) 8087 Math Coprocessor.(5 marks) 6 (b) Generation of Reset signals in 8086 based system.(5 marks) 6 (c) Comparative Study of multicore i3, i5, i7 processors.(5 marks) 6 (d) Mixed Language Programming.(5 marks)